mongodb-.net-driver

I have read this question and haven't understand. Is there ability to execute arbitrary mongodb shell script via C# driver? var mongoServer = MongoServer.Create("mongodb://<connectionstring>"); var database = mongoServer.GetDatabase("mydatabase"); string mycollectionCount database.Eval("function() { return db.mycollection.count(); }").ToString(); This is useful when you are trying to change property types for example like this: string updateScript = @" function () { db.some_items.find().forEach(function(documentItem) { documentItem.some_collection.forEach(function(collectionItem) { if (typeof

I've recently moved to the new MongoDB C# driver v2.0 from the deprecated v1.9 . Now, when I serialize a class that has a dictionary I sometimes run into the following BsonSerializationException : MongoDB.Bson.BsonSerializationException: When using DictionaryRepresentation.Document key values must serialize as strings. Here's a minimal reproduce: class Hamster { public ObjectId Id { get; private set; } public Dictionary<DateTime,int> Dictionary { get; private set; } public Hamster() { Id = ObjectId.GenerateNewId(); Dictionary = new Dictionary<DateTime, int>(); Dictionary[DateTime.UtcNow] = 0;

i am using official mongodb c# driver. i want to query mongodb simliar to SQL Like something like db.users.find({name:/Joe/} in c# driver c# query will looks like: Query.Matches("name", BsonRegularExpression.Create(new Regex("Joe"))); Update: As per @RoberStam suggestion, there is more simple way to do this: Query.Matches("name", "Joe") Sridhar For the c# driver 2.1 (MongoDB 3.0) var collection = database.GetCollection<BsonDocument>("<<name of the collection>>"); var filter = Builders<BsonDocument>.Filter.Regex("name", new BsonRegularExpression("Joe")); var result = await collection.Find

I have inserted document s into MongoDB without an id . And I want to retrieve them by searching through their MongoDB ObjectId , that has been assigned in default . Here is my attempt- var query_id = Query.EQ("_id", "50ed4e7d5baffd13a44d0153"); var entity = dbCollection.FindOne(query_id); return entity.ToString(); And I get following error- A first chance exception of type 'System.NullReferenceException' occurred What is the problem? You need to create an instance of ObjectId and then query using that instance, otherwise your query compares ObjectId s to string and fails to find matching

The following code will allow me to update the Email where FirstName = "john" and LastName = "Doe". How do you update both Email and Phone without using Save() method? MongoDB.Driver.MongoServer _server = MongoDB.Driver.MongoServer.Create("mongodb://localhost"); MongoDB.Driver.MongoDatabase _dataBase = _server.GetDatabase("test"); MongoDB.Driver.MongoCollection<Person> _person = _dataBase.GetCollection<Person>("person"); //Creat new person and insert it into collection ObjectId newId = ObjectId.GenerateNewId(); Person newPerson = new Person(); newPerson.Id = newId.ToString(); newPerson

I'm trying to save date (using C# official driver): val = DateTime.Parse(value).Date; //Here date is {11/11/2011 12:00:00 AM} var update = Update.Set("Date", val); ... When I select Date from the database, the value is {11/10/2011 10:00:00 PM} How to save only the date I want? Andrew Orsich c# driver by default (without extra settings) saving local dates as utc date into database (date - time zone offset) but reading back without any action (so, utc date). Because of this when you loading datetime from database you receive diff in 2 hours (your timezone offset). There are two approaches how to

I'm wondering what the best practice for modelling by using references would be given situation under. I'm using MongoRepository library. public class User : Entity { publis string Id { get; set; } public string Email { get; set; } public string Password { get; set; } } public class Post : Entity { public string Id { get; set; } public string Title { get; set; } public string Summary { get; set; } public DateTime Added { get; set; } public User Owner { get; set; } } When storing the Post I want only reference to Owner (User) object instead of whole object underlying. Currently I'm doing it